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Slaughtered at heavy live weights, carcasses of the autochthonous Vietnamese Ban pig breed are not marketable on the highly remunerative niche markets of the urban Red River Delta. Therefore, Ban pigs are traded often at just 10 to 15 kg to avoid excessive fat accumulation. However, already, a moderate increase of slaughter weights might lead to rising profits for smallholder farmers in the uplands. Thus, this research aimed at investigating the effect of increasing live weight on the carcass composition and meat quality of indigenous Ban pigs qualifying for commerce on high-end markets. Fifty-six castrated male Ban fatteners with body weights ranging from 6.5 to 29.3 kg were collected from smallholder farmers applying a feeding system based on banana pseudostem ( Musa spp.) and slaughtered by local slaughterers according to common practice. The carcass quality of 51 animals and, additionally, meat quality parameters of the loin and ham of 56 animals were assessed. For the evaluation of increased live weights on commodity prices, two pricing systems based on actual market prices for Ban fatteners in Son La town and Hanoi were suggested. Carcass fat depots did not significantly increase when body weights were raised from 12 to approximately 20 kg, and the distribution of primal cuts and the meat quality of the loin and ham were relatively stable. Thus, the currently applied slaughter weights for purebred Ban pigs appear to be suboptimal, and a moderate increase of slaughter weights to approximately 20 kg is feasible and could result in monetary benefits. In this context, the role of small-scale slaughterers for value chain upgrading is discussed. In conclusion, increasingly formalized value chains for traditional pork products could provide the potential to not only contribute to rural development in the Southeast Asian Massif, but also to the conservation of animal genetic resources of a highly valuable eco-cultural region.

Pig farming systems in Vietnam are very diverse but little is known about this diversity. In particular, the different livestock farming systems currently in operation do not have the same capacity to be sustainable. The study aims to categorize farming systems involving pig production and investigate their sustainability. Data were collected from 160 family pig farms and 2 large-scale farms in Mai Son district of Son La province (northwest of Vietnam) using stratified random sampling. The multiple factor analysis method was used to identify different farms and to characterize each type with economic, social, and environmental indicators. The results highlighted four different farm types. Type 1 contained smallholder farms with diversified farm activities. They were mainly farmed by ethnic minorities located in the intermediate highland. They had low labor productivity and relied mainly on crop farming. Pig production was characterized by a low level of economic and social sustainability. Type 2 farms had comparatively less land and crops than other types. They were more specialized in livestock production, had medium-size pig herds, and were engaged in off-farm jobs. They were less dependent on credit or location and performed better with regard to environmental issues than larger farm types. Type 3 was specialized farms with large pig herds. They seemed more sustainable in economic and social components than the other types, but their environmental sustainability was questionable. Type 4 contained large mixed crop-livestock farms. They obtained high income but were more dependent on credit than the other types. In the future, in addition to focusing on large-scale specialized farms, policies should also consider small-scale and diversified farms because of their role in the sustainable development of national pig production.

Vietnam’s national beef demand is continuously increasing, but is not able to be satisfied by domestic supply. Because land scarcity is a major constraint to beef production in many parts of the country, attempts to enhance beef production in Vietnam have focussed on small-scale household farms in remoter areas. The present study aimed to investigate the relation between cattle keeping and poverty status of household farms in Son La province, north-west Vietnam. In addition, altitude, community remoteness and technology adoption of the investigated households were considered for an evaluation of the feasibility of smallholder beef cattle production in the upland areas. Data on livestock production of 299 randomly selected households of different ethnic groups in the lowlands and highlands of Yen Chau district, Son La province, were collected by using structured and standardised questionnaires. The poverty status of the households was defined on basis of daily per-capita expenditures, dividing the investigated households into poor and non-poor farmers with daily per-capita expenditures below and above the rural poverty line, respectively. Cattle keeping farms in Yen Chau district showed advantages in terms of available land and labour resources compared with non-cattle keeping farms. Cattle were kept mainly by non-poor farmers, particularly the Thai, whose farm holdings are most commonly located in the lowlands. The number of cattle raised on farm was related to the poverty status of the households and remoteness. Cattle compete with other livestock in the use of limited farm resources. Cattle keeping farms more frequently applied feeding innovations to reduce feed competition on farm than the non-cattle keeping households. For the very poor, small animals are more appropriate than beef cattle production activities. Only in the identified advantageous regions, smallholder farmers might engage in beef production, if appropriate policies are implemented to support them in raising cattle. Consequently, the development of beef production under those conditions could contribute to poverty reduction by increasing smallholder’s incomes in the remote highland regions.

This study compares the use of resources, cattle performance and outputs on three different cattle-keeping farm types (mixed small farms, mixed medium farms with a collective use of natural pastures, and specialised large farms). The purpose was to evaluate the potential for beef production on household farms, where cattle keeping is integrated with cropping, compared with specialised large beef cattle farms. Data were collected by using farmer interviews, participatory rural appraisal tools and cattle body measurements, and analysed by linear models using SAS software. Household farms raised cattle at very low input levels. Medium farms had lower costs for cattle keeping than small farms in the lowlands (0.11 Vietnamese Dong × 106/farm.year compared with 1.20 Vietnamese Dong × 106/farm.year). High inputs were observed on all large farms. Only the local Yellow cattle was found in the highlands. Yellow cattle was less fertile in the highlands than in the lowlands (age at first calving of 3.2 years and calving interval of 16.3 months compared with 2.8 years and 12.6 months, respectively). Performances of exotic breeds varied according to feeding and breeding management of large farms. Crossbred Laisind cattle had a better productive adaptability than exotic beef breeds. Cattle were used mainly for working and manure by small farms. The stock value was highest on medium farms. Low outputs on large farms were a result of high feed costs, inappropriate management and the failure of markets. Results from simulations identify the medium mixed farms with access to natural pasture showing a potential for the development of beef production, provided that access to markets and cattle management is improved.

In-situ conservation of local pig breeds in Southeast Asia requires genetic improvement embedded in viable marketing concepts. Increasing demand offers marketing opportunities for indigenous Vietnamese Ban pork. This study sought to adjust estimation methods for grading light carcasses according to their leanness. Using data from the dissection of 45 carcasses, several models were fitted and evaluated. Although the predictive power of the equations was limited, Ban carcasses could be approximatively classified according to their lean content. Finally, a suggestion of how to include these measurements in a quality feedback system of a short food supply chain is made.